Alert archive / Illinois / Flash Flood Warnings in 2021
Flash Flood Warning 10, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jun 25, 2021, 9:59 PM CDT for DeWitt County, McLean County, Piatt County, Illinois. It was in force for 5 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 25, 2021, 9:59 PM CDT (02:59 UTC)
- Expired
- Jun 26, 2021, 2:37 AM CDT
- In force
- 5 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties DeWitt County, IL, McLean County, IL, Piatt County, IL
The radar
The Lincoln radar (KILX), 57 km from the middle of the area, began a volume at 03:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 11:55 PM CDT | FLASH FLOOD | 2 N Le Roy, IL | CAR STALLED IN HIGH WATER WITH 3 PEOPLE STRANDED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 3.0 hours before the alert went out and 29 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1254 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 910 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.6
The text
As transmitted.
219
WGUS53 KILX 260259
FFWILX
ILC039-113-147-260900-
/O.NEW.KILX.FF.W.0010.210626T0259Z-210626T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
959 PM CDT Fri Jun 25 2021
The National Weather Service in Lincoln has issued a
* Flash Flood Warning for...
De Witt County in central Illinois...
Eastern McLean County in central Illinois...
Northern Piatt County in central Illinois...
* Until 400 AM CDT Saturday.
* At 958 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2.5 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Clinton, Le Roy, Farmer City, Colfax, Mansfield, Saybrook,
Wapella, De Land, Weldon, Kenney, Cooksville, Pleasant Hill,
Bellflower, Arrowsmith, Cropsey, Ellsworth, De Witt, Anchor,
Moraine View State Park and Galesville.
This includes the following highways...
Interstate 72 near mile marker 173.
Interstate 74 near mile markers 149, 150, 151, 152, 153, 154, 155,
156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167 and 168.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4028 8878 4064 8875 4067 8858 4061 8857
4061 8846 4011 8846 4008 8915 4022 8915
FLASH FLOOD...RADAR INDICATED
$$
NMB2 follow-up statements
976
WGUS73 KILX 260506
FFSILX
Flash Flood Statement
National Weather Service Lincoln IL
1206 AM CDT Sat Jun 26 2021
ILC039-113-147-260900-
/O.CON.KILX.FF.W.0010.000000T0000Z-210626T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-McLean IL-Piatt IL-
1206 AM CDT Sat Jun 26 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING FOR DE WITT, EASTERN MCLEAN AND NORTHERN PIATT COUNTIES...
At 1204 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...At 11:55 PM law enforcement relayed reports of urban
flooding across the warned area. In Le Roy, near 2600 E
and 600 N, a car stalled in high water, leaving a
motorist stranded.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Clinton, Le Roy, Farmer City, Colfax, Mansfield, Saybrook,
Wapella, De Land, Weldon, Kenney, Cooksville, Pleasant Hill,
Bellflower, Arrowsmith, Cropsey, Ellsworth, De Witt, Anchor,
Moraine View State Park and Galesville.
This includes the following highways...
Interstate 72 near mile marker 173.
Interstate 74 near mile markers 149, 150, 151, 152, 153, 154, 155,
156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167 and 168.
Additional rainfall amounts up to 1 inch are possible in the warned
area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4028 8878 4064 8875 4067 8858 4061 8857
4061 8846 4011 8846 4008 8915 4022 8915
FLASH FLOOD...RADAR INDICATED
$$
MJA545
WGUS73 KILX 260737
FFSILX
Flash Flood Statement
National Weather Service Lincoln IL
237 AM CDT Sat Jun 26 2021
ILC039-113-147-260747-
/O.CAN.KILX.FF.W.0010.000000T0000Z-210626T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-McLean IL-Piatt IL-
237 AM CDT Sat Jun 26 2021
...FLASH FLOOD WARNING IS CANCELLED FOR DE WITT, EASTERN MCLEAN AND
NORTHERN PIATT COUNTIES...
The heavy rain has ended however a number of locations continue to
experience high water. Please continue to heed remaining road
closures. Portions of the Flash Flood Warning have been replaced by
a Flood Warning.
A Flash Flood Watch remains in effect until 700 AM CDT Sunday for
portions of central Illinois...east central Illinois and west
central Illinois.
LAT...LON 4028 8878 4064 8875 4067 8858 4061 8857
4061 8846 4011 8846 4008 8915 4022 8915
$$
DeubelbeissThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:21 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Tazewell | 39 min |
| Jun 25, 7:33 PM CDT | Special Weather Statement | ILX | McLean | 42 min |
| Jun 25, 7:38 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 67 min |
| Jun 25, 7:53 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Tazewell | 67 min |
| Jun 25, 8:16 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 44 min |
| Jun 25, 8:29 PM CDT | Tornado Warning | ILX | McLean | 30 min |
| Jun 25, 8:49 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean, Macon, Piatt | 41 min |
| Jun 25, 8:54 PM CDT | Flash Flood Warning | ILX | DeWitt, Logan, McLean, Mason, Tazewell | 6 hr |
| Jun 25, 9:05 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Menard, Tazewell | 25 min |
| Jun 25, 9:47 PM CDT | Flash Flood Warning | ILX | Morgan, Scott | 6 hr |
| Jun 25, 10:18 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, DeWitt, Douglas, Macon, Moultrie and 1 more | 27 min |
| Jun 26, 2:34 AM CDT | Areal Flood Warning | ILX | DeWitt, Logan, McLean, Mason, Piatt, Tazewell | 61 hr |
| Jun 26, 6:03 AM CDT | River Flood Warning | ILX | Piatt | 8 days |
| Jun 26, 9:44 AM CDT | River Flood Warning | ILX | Mason, Menard | 4 days |
| Jun 26, 12:21 PM CDT | Tornado Warning | ILX | McLean | 24 min |
| Jun 26, 1:24 PM CDT | Tornado Warning | ILX | Morgan, Scott | 36 min |
| Jun 26, 1:53 PM CDT | Tornado Warning | ILX | Morgan | 37 min |
| Jun 26, 2:17 PM CDT | Tornado Warning | ILX | Morgan, Sangamon | 28 min |
| Jun 26, 2:38 PM CDT | Tornado Warning | ILX | McLean, Woodford | 37 min |
| Jun 26, 3:12 PM CDT | Tornado Warning | ILX | McLean | 33 min |
| Jun 26, 3:19 PM CDT | Tornado Warning | ILX | Logan, Sangamon | 26 min |
| Jun 26, 3:25 PM CDT | Flash Flood Warning | ILX | DeWitt, Logan, McLean, Macon, Mason, Menard and 3 more | 4 hr |
| Jun 26, 3:33 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 27 min |
| Jun 26, 3:37 PM CDT | Tornado Warning | ILX | McLean | 23 min |
| Jun 26, 3:39 PM CDT | Tornado Warning | ILX | Logan, Sangamon | 36 min |
| Jun 26, 4:04 PM CDT | Tornado Warning | ILX | DeWitt | 26 min |
| Jun 26, 4:43 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 32 min |
| Jun 26, 5:16 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 44 min |
| Jun 26, 5:47 PM CDT | Tornado Warning | ILX | Douglas, Moultrie, Piatt | 43 min |
| Jun 26, 5:50 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 40 min |
| Jun 26, 6:03 PM CDT | Tornado Warning | ILX | Champaign, Douglas | 27 min |
| Jun 26, 6:24 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 81 min |
Nearby
Flash Flood Warnings in Illinois, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.